(19)
(11) EP 1 410 105 A2

(12)

(88) Date of publication A3:
19.02.2004

(43) Date of publication:
21.04.2004 Bulletin 2004/17

(21) Application number: 02709485.3

(22) Date of filing: 11.02.2002
(51) International Patent Classification (IPC)7G03F 1/00, G03F 1/14, H01L 21/28
(86) International application number:
PCT/US2002/004119
(87) International publication number:
WO 2002/082182 (17.10.2002 Gazette 2002/42)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 03.04.2001 US 281325 P
31.05.2001 US 872620

(71) Applicant: Numerical Technologies Inc.
San Jose, CA 95134 (US)

(72) Inventors:
  • MA, Melody
    San Jose, CA 95135 (US)
  • LIU, Hua-Yu
    Palo Alto, CA 94306 (US)

(74) Representative: Davies, Simon Robert 
D Young & Co,21 New Fetter Lane
London, EC4A 1DA
London, EC4A 1DA (GB)

   


(54) ALLEVIATING LINE END SHORTENING IN TRANSISTOR ENDCAPS BY EXTENDING PHASE SHIFTERS